Best Selling: FatSac Party Bumpers
ROC SAC Fillable Ballast Weight Bags - The EASY way to add weight!
Fill em' with rocks, sand or gravel to add 40-50 lbs of weight. Hide em' in storage compartments, under seats or simply on the floor where you need that extra ballast for that extra wave!
Available as fillable or pre-filled with a dense rock/sand mixture at 45 lbs.